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cuberite-2a/Tools/ProtoProxy/Connection.cpp
madmaxoft 1373539bce ProtoProxy: Fixed metadata parsing.
2013-12-05 12:20:37 +01:00

2878 lines
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// Connection.cpp
// Interfaces to the cConnection class representing a single pair of connected sockets
#include "Globals.h"
#include "Connection.h"
#include "Server.h"
#include <iostream>
#ifdef _WIN32
#include <direct.h> // For _mkdir()
#endif
/// When defined, the following macro causes a sleep after each parsed packet (DEBUG-mode only)
// #define SLEEP_AFTER_PACKET
#if defined(_DEBUG) && defined(SLEEP_AFTER_PACKET)
#define DebugSleep Sleep
#else
#define DebugSleep(X)
#endif // else _DEBUG
#define HANDLE_CLIENT_PACKET_READ(Proc, Type, Var) \
Type Var; \
{ \
if (!m_ClientBuffer.Proc(Var)) \
{ \
return false; \
} \
}
#define HANDLE_SERVER_PACKET_READ(Proc, Type, Var) \
Type Var; \
{ \
if (!m_ServerBuffer.Proc(Var)) \
{ \
return false; \
} \
}
#define CLIENTSEND(...) SendData(m_ClientSocket, __VA_ARGS__, "Client")
#define SERVERSEND(...) SendData(m_ServerSocket, __VA_ARGS__, "Server")
#define CLIENTENCRYPTSEND(...) SendData(m_ClientSocket, __VA_ARGS__, "Client") // The client conn is always unencrypted
#define SERVERENCRYPTSEND(...) SendEncryptedData(m_ServerSocket, m_ServerEncryptor, __VA_ARGS__, "Server")
#define COPY_TO_SERVER() \
{ \
AString ToServer; \
m_ClientBuffer.ReadAgain(ToServer); \
switch (m_ServerState) \
{ \
case csUnencrypted: \
{ \
SERVERSEND(ToServer.data(), ToServer.size()); \
break; \
} \
case csEncryptedUnderstood: \
case csEncryptedUnknown: \
{ \
SERVERENCRYPTSEND(ToServer.data(), ToServer.size()); \
break; \
} \
case csWaitingForEncryption: \
{ \
Log("Waiting for server encryption, queued %u bytes", ToServer.size()); \
m_ServerEncryptionBuffer.append(ToServer.data(), ToServer.size()); \
break; \
} \
} \
DebugSleep(50); \
}
#define COPY_TO_CLIENT() \
{ \
AString ToClient; \
m_ServerBuffer.ReadAgain(ToClient); \
switch (m_ClientState) \
{ \
case csUnencrypted: \
{ \
CLIENTSEND(ToClient.data(), ToClient.size()); \
break; \
} \
case csEncryptedUnderstood: \
case csEncryptedUnknown: \
{ \
CLIENTENCRYPTSEND(ToClient.data(), ToClient.size()); \
break; \
} \
/* case csWaitingForEncryption: \
{ \
Log("Waiting for client encryption, queued %u bytes", ToClient.size()); \
m_ClientEncryptionBuffer.append(ToClient.data(), ToClient.size()); \
break; \
} \
*/ \
} \
DebugSleep(50); \
}
#define HANDLE_CLIENT_READ(Proc) \
{ \
if (!Proc) \
{ \
AString Leftover; \
m_ClientBuffer.ReadAgain(Leftover); \
DataLog(Leftover.data(), Leftover.size(), "Leftover data after client packet parsing, %d bytes:", Leftover.size()); \
m_ClientBuffer.ResetRead(); \
return true; \
} \
}
#define HANDLE_SERVER_READ(Proc) \
{ \
if (!Proc) \
{ \
m_ServerBuffer.ResetRead(); \
return true; \
} \
}
#define MAX_ENC_LEN 1024
typedef unsigned char Byte;
AString PrintableAbsIntTriplet(int a_X, int a_Y, int a_Z, double a_Divisor = 32)
{
return Printf("<%d, %d, %d> ~ {%.02f, %.02f, %.02f}",
a_X, a_Y, a_Z,
(double)a_X / a_Divisor, (double)a_Y / a_Divisor, (double)a_Z / a_Divisor
);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cConnection:
cConnection::cConnection(SOCKET a_ClientSocket, cServer & a_Server) :
m_ItemIdx(0),
m_LogFile(NULL),
m_Server(a_Server),
m_ClientSocket(a_ClientSocket),
m_ServerSocket(-1),
m_BeginTick(m_Timer.GetNowTime()),
m_ClientState(csUnencrypted),
m_ServerState(csUnencrypted),
m_Nonce(0),
m_ClientBuffer(1024 KiB),
m_ServerBuffer(1024 KiB),
m_HasClientPinged(false),
m_ServerProtocolState(-1),
m_ClientProtocolState(-1),
m_IsServerEncrypted(false)
{
// Create the Logs subfolder, if not already created:
#if defined(_WIN32)
_mkdir("Logs");
#else
mkdir("Logs", 0777);
#endif
Printf(m_LogNameBase, "Logs/Log_%d_%d", (int)time(NULL), a_ClientSocket);
AString fnam(m_LogNameBase);
fnam.append(".log");
m_LogFile = fopen(fnam.c_str(), "w");
Log("Log file created");
printf("Connection is logged to file \"%s\"\n", fnam.c_str());
}
cConnection::~cConnection()
{
fclose(m_LogFile);
}
void cConnection::Run(void)
{
if (!ConnectToServer())
{
Log("Cannot connect to server; aborting");
return;
}
while (true)
{
fd_set ReadFDs;
FD_ZERO(&ReadFDs);
FD_SET(m_ServerSocket, &ReadFDs);
FD_SET(m_ClientSocket, &ReadFDs);
int res = select(2, &ReadFDs, NULL, NULL, NULL);
if (res <= 0)
{
printf("select() failed: %d; aborting client", WSAGetLastError());
break;
}
if (FD_ISSET(m_ServerSocket, &ReadFDs))
{
if (!RelayFromServer())
{
break;
}
}
if (FD_ISSET(m_ClientSocket, &ReadFDs))
{
if (!RelayFromClient())
{
break;
}
}
}
Log("Relaying ended, closing sockets");
closesocket(m_ServerSocket);
closesocket(m_ClientSocket);
}
void cConnection::Log(const char * a_Format, ...)
{
va_list args;
va_start(args, a_Format);
AString msg;
AppendVPrintf(msg, a_Format, args);
va_end(args);
AString FullMsg;
Printf(FullMsg, "[%5.3f] %s\n", GetRelativeTime(), msg.c_str());
// Log to file:
cCSLock Lock(m_CSLog);
fputs(FullMsg.c_str(), m_LogFile);
#ifdef _DEBUG
fflush(m_LogFile);
#endif // _DEBUG
// Log to screen:
// std::cout << FullMsg;
}
void cConnection::DataLog(const void * a_Data, int a_Size, const char * a_Format, ...)
{
va_list args;
va_start(args, a_Format);
AString msg;
AppendVPrintf(msg, a_Format, args);
va_end(args);
AString FullMsg;
AString Hex;
Printf(FullMsg, "[%5.3f] %s\n%s\n", GetRelativeTime(), msg.c_str(), CreateHexDump(Hex, a_Data, a_Size, 16).c_str());
// Log to file:
cCSLock Lock(m_CSLog);
fputs(FullMsg.c_str(), m_LogFile);
/*
// Log to screen:
std::cout << FullMsg;
//*/
}
void cConnection::LogFlush(void)
{
fflush(m_LogFile);
}
bool cConnection::ConnectToServer(void)
{
m_ServerSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (m_ServerSocket == INVALID_SOCKET)
{
return false;
}
sockaddr_in localhost;
localhost.sin_family = AF_INET;
localhost.sin_port = htons(m_Server.GetConnectPort());
localhost.sin_addr.s_addr = htonl(0x7f000001); // localhost
if (connect(m_ServerSocket, (sockaddr *)&localhost, sizeof(localhost)) != 0)
{
printf("connection to server failed: %d\n", WSAGetLastError());
return false;
}
Log("Connected to SERVER");
return true;
}
bool cConnection::RelayFromServer(void)
{
char Buffer[64 KiB];
int res = recv(m_ServerSocket, Buffer, sizeof(Buffer), 0);
if (res <= 0)
{
Log("Server closed the socket: %d; %d; aborting connection", res, WSAGetLastError());
return false;
}
DataLog(Buffer, res, "Received %d bytes from the SERVER", res);
switch (m_ServerState)
{
case csUnencrypted:
case csWaitingForEncryption:
{
return DecodeServersPackets(Buffer, res);
}
case csEncryptedUnderstood:
{
m_ServerDecryptor.ProcessData((byte *)Buffer, (byte *)Buffer, res);
DataLog(Buffer, res, "Decrypted %d bytes from the SERVER", res);
return DecodeServersPackets(Buffer, res);
}
case csEncryptedUnknown:
{
m_ServerDecryptor.ProcessData((byte *)Buffer, (byte *)Buffer, res);
DataLog(Buffer, res, "Decrypted %d bytes from the SERVER", res);
return CLIENTSEND(Buffer, res);
}
}
return true;
}
bool cConnection::RelayFromClient(void)
{
char Buffer[64 KiB];
int res = recv(m_ClientSocket, Buffer, sizeof(Buffer), 0);
if (res <= 0)
{
Log("Client closed the socket: %d; %d; aborting connection", res, WSAGetLastError());
return false;
}
DataLog(Buffer, res, "Received %d bytes from the CLIENT", res);
switch (m_ClientState)
{
case csUnencrypted:
case csWaitingForEncryption:
{
return DecodeClientsPackets(Buffer, res);
}
case csEncryptedUnderstood:
{
return DecodeClientsPackets(Buffer, res);
}
case csEncryptedUnknown:
{
DataLog(Buffer, res, "Decrypted %d bytes from the CLIENT", res);
m_ServerEncryptor.ProcessData((byte *)Buffer, (byte *)Buffer, res);
return SERVERSEND(Buffer, res);
}
}
return true;
}
double cConnection::GetRelativeTime(void)
{
return (double)(m_Timer.GetNowTime() - m_BeginTick) / 1000;
}
bool cConnection::SendData(SOCKET a_Socket, const char * a_Data, int a_Size, const char * a_Peer)
{
DataLog(a_Data, a_Size, "Sending data to %s, %d bytes", a_Peer, a_Size);
int res = send(a_Socket, a_Data, a_Size, 0);
if (res <= 0)
{
Log("%s closed the socket: %d, %d; aborting connection", a_Peer, res, WSAGetLastError());
return false;
}
return true;
}
bool cConnection::SendData(SOCKET a_Socket, cByteBuffer & a_Data, const char * a_Peer)
{
AString All;
a_Data.ReadAll(All);
a_Data.CommitRead();
return SendData(a_Socket, All.data(), All.size(), a_Peer);
}
bool cConnection::SendEncryptedData(SOCKET a_Socket, Encryptor & a_Encryptor, const char * a_Data, int a_Size, const char * a_Peer)
{
DataLog(a_Data, a_Size, "Encrypting %d bytes to %s", a_Size, a_Peer);
const byte * Data = (const byte *)a_Data;
while (a_Size > 0)
{
byte Buffer[64 KiB];
int NumBytes = (a_Size > sizeof(Buffer)) ? sizeof(Buffer) : a_Size;
a_Encryptor.ProcessData(Buffer, Data, NumBytes);
bool res = SendData(a_Socket, (const char *)Buffer, NumBytes, a_Peer);
if (!res)
{
return false;
}
Data += NumBytes;
a_Size -= NumBytes;
}
return true;
}
bool cConnection::SendEncryptedData(SOCKET a_Socket, Encryptor & a_Encryptor, cByteBuffer & a_Data, const char * a_Peer)
{
AString All;
a_Data.ReadAll(All);
a_Data.CommitRead();
return SendEncryptedData(a_Socket, a_Encryptor, All.data(), All.size(), a_Peer);
}
bool cConnection::DecodeClientsPackets(const char * a_Data, int a_Size)
{
if (!m_ClientBuffer.Write(a_Data, a_Size))
{
Log("Too much queued data for the server, aborting connection");
return false;
}
while (m_ClientBuffer.CanReadBytes(1))
{
UInt32 PacketLen;
if (
!m_ClientBuffer.ReadVarInt(PacketLen) ||
!m_ClientBuffer.CanReadBytes(PacketLen)
)
{
// Not a complete packet yet
break;
}
UInt32 PacketType, PacketReadSoFar;
PacketReadSoFar = m_ClientBuffer.GetReadableSpace();
VERIFY(m_ClientBuffer.ReadVarInt(PacketType));
PacketReadSoFar -= m_ClientBuffer.GetReadableSpace();
Log("Decoding client's packets, there are now %d bytes in the queue; next packet is 0x%0x, %u bytes long", m_ClientBuffer.GetReadableSpace(), PacketType, PacketLen);
switch (m_ClientProtocolState)
{
case -1:
{
// No initial handshake received yet
switch (PacketType)
{
case 0x00: HANDLE_CLIENT_READ(HandleClientHandshake()); break;
default: HANDLE_CLIENT_READ(HandleClientUnknownPacket(PacketType, PacketLen, PacketReadSoFar)); break;
}
break;
} // case -1
case 1:
{
// Status query
switch (PacketType)
{
case 0x00: HANDLE_CLIENT_READ(HandleClientStatusRequest()); break;
case 0x01: HANDLE_CLIENT_READ(HandleClientStatusPing()); break;
default: HANDLE_CLIENT_READ(HandleClientUnknownPacket(PacketType, PacketLen, PacketReadSoFar)); break;
}
break;
}
case 2:
{
// Login
switch (PacketType)
{
case 0x00: HANDLE_CLIENT_READ(HandleClientLoginStart()); break;
case 0x01: HANDLE_CLIENT_READ(HandleClientLoginEncryptionKeyResponse()); break;
default: HANDLE_CLIENT_READ(HandleClientUnknownPacket(PacketType, PacketLen, PacketReadSoFar)); break;
}
break;
}
case 3:
{
// Game:
switch (PacketType)
{
case 0x00: HANDLE_CLIENT_READ(HandleClientKeepAlive()); break;
case 0x01: HANDLE_CLIENT_READ(HandleClientChatMessage()); break;
case 0x02: HANDLE_CLIENT_READ(HandleClientUseEntity()); break;
case 0x03: HANDLE_CLIENT_READ(HandleClientPlayerOnGround()); break;
case 0x04: HANDLE_CLIENT_READ(HandleClientPlayerPosition()); break;
case 0x05: HANDLE_CLIENT_READ(HandleClientPlayerLook()); break;
case 0x06: HANDLE_CLIENT_READ(HandleClientPlayerPositionLook()); break;
case 0x07: HANDLE_CLIENT_READ(HandleClientBlockDig()); break;
case 0x08: HANDLE_CLIENT_READ(HandleClientBlockPlace()); break;
case 0x09: HANDLE_CLIENT_READ(HandleClientSlotSelect()); break;
case 0x0a: HANDLE_CLIENT_READ(HandleClientAnimation()); break;
case 0x0b: HANDLE_CLIENT_READ(HandleClientEntityAction()); break;
case 0x0d: HANDLE_CLIENT_READ(HandleClientWindowClose()); break;
case 0x0e: HANDLE_CLIENT_READ(HandleClientWindowClick()); break;
case 0x10: HANDLE_CLIENT_READ(HandleClientCreativeInventoryAction()); break;
case 0x12: HANDLE_CLIENT_READ(HandleClientUpdateSign()); break;
case 0x13: HANDLE_CLIENT_READ(HandleClientPlayerAbilities()); break;
case 0x14: HANDLE_CLIENT_READ(HandleClientTabCompletion()); break;
case 0x15: HANDLE_CLIENT_READ(HandleClientLocaleAndView()); break;
case 0x16: HANDLE_CLIENT_READ(HandleClientClientStatuses()); break;
case 0x17: HANDLE_CLIENT_READ(HandleClientPluginMessage()); break;
default: HANDLE_CLIENT_READ(HandleClientUnknownPacket(PacketType, PacketLen, PacketReadSoFar)); break;
}
break;
} // case 3 - Game
default:
{
Log("Receiving server packets while in an unknown protocol state (%d)!", m_ClientProtocolState);
HANDLE_CLIENT_READ(HandleClientUnknownPacket(PacketType, PacketLen, PacketReadSoFar));
break;
}
} // switch (m_ProtocolState)
m_ClientBuffer.CommitRead();
} // while (true)
return true;
}
bool cConnection::DecodeServersPackets(const char * a_Data, int a_Size)
{
if (!m_ServerBuffer.Write(a_Data, a_Size))
{
Log("Too much queued data for the client, aborting connection");
return false;
}
if (
(m_ServerState == csEncryptedUnderstood) &&
(m_ClientState == csUnencrypted)
)
{
// Client hasn't finished encryption handshake yet, don't send them any data yet
}
while (true)
{
UInt32 PacketLen;
if (
!m_ServerBuffer.ReadVarInt(PacketLen) ||
!m_ServerBuffer.CanReadBytes(PacketLen)
)
{
// Not a complete packet yet
m_ServerBuffer.ResetRead();
break;
}
if (PacketLen == 0)
{
m_ServerBuffer.ResetRead();
AString All;
m_ServerBuffer.ReadAll(All);
DataLog(All.data(), All.size(), "====== Received a bad packet length? Inspect the contents below ======");
m_ServerBuffer.CommitRead(); // Try to recover by marking everything as read
break;
}
UInt32 PacketType, PacketReadSoFar;
PacketReadSoFar = m_ServerBuffer.GetReadableSpace();
VERIFY(m_ServerBuffer.ReadVarInt(PacketType));
PacketReadSoFar -= m_ServerBuffer.GetReadableSpace();
Log("Decoding server's packets, there are now %d bytes in the queue; next packet is 0x%0x, %u bytes long", m_ServerBuffer.GetReadableSpace(), PacketType, PacketLen);
LogFlush();
switch (m_ServerProtocolState)
{
case -1:
{
Log("Receiving data from the server without an initial handshake message!");
HANDLE_SERVER_READ(HandleServerUnknownPacket(PacketType, PacketLen, PacketReadSoFar));
break;
}
case 1:
{
// Status query:
switch (PacketType)
{
case 0x00: HANDLE_SERVER_READ(HandleServerStatusResponse()); break;
case 0x01: HANDLE_SERVER_READ(HandleServerStatusPing()); break;
default: HANDLE_SERVER_READ(HandleServerUnknownPacket(PacketType, PacketLen, PacketReadSoFar)); break;
}
break;
}
case 2:
{
// Login:
switch (PacketType)
{
case 0x00: HANDLE_SERVER_READ(HandleServerLoginDisconnect()); break;
case 0x01: HANDLE_SERVER_READ(HandleServerLoginEncryptionKeyRequest()); break;
case 0x02: HANDLE_SERVER_READ(HandleServerLoginSuccess()); break;
default: HANDLE_SERVER_READ(HandleServerUnknownPacket(PacketType, PacketLen, PacketReadSoFar)); break;
}
break;
}
case 3:
{
// Game:
switch (PacketType)
{
case 0x00: HANDLE_SERVER_READ(HandleServerKeepAlive()); break;
case 0x01: HANDLE_SERVER_READ(HandleServerJoinGame()); break;
case 0x02: HANDLE_SERVER_READ(HandleServerChatMessage()); break;
case 0x03: HANDLE_SERVER_READ(HandleServerTimeUpdate()); break;
case 0x04: HANDLE_SERVER_READ(HandleServerEntityEquipment()); break;
case 0x05: HANDLE_SERVER_READ(HandleServerCompass()); break;
case 0x06: HANDLE_SERVER_READ(HandleServerUpdateHealth()); break;
case 0x07: HANDLE_SERVER_READ(HandleServerRespawn()); break;
case 0x08: HANDLE_SERVER_READ(HandleServerPlayerPositionLook()); break;
case 0x09: HANDLE_SERVER_READ(HandleServerSlotSelect()); break;
case 0x0a: HANDLE_SERVER_READ(HandleServerUseBed()); break;
case 0x0b: HANDLE_SERVER_READ(HandleServerPlayerAnimation()); break;
case 0x0c: HANDLE_SERVER_READ(HandleServerSpawnNamedEntity()); break;
case 0x0d: HANDLE_SERVER_READ(HandleServerCollectPickup()); break;
case 0x0e: HANDLE_SERVER_READ(HandleServerSpawnObjectVehicle()); break;
case 0x0f: HANDLE_SERVER_READ(HandleServerSpawnMob()); break;
case 0x10: HANDLE_SERVER_READ(HandleServerSpawnPainting()); break;
case 0x11: HANDLE_SERVER_READ(HandleServerSpawnExperienceOrbs()); break;
case 0x12: HANDLE_SERVER_READ(HandleServerEntityVelocity()); break;
case 0x13: HANDLE_SERVER_READ(HandleServerDestroyEntities()); break;
case 0x14: HANDLE_SERVER_READ(HandleServerEntity()); break;
case 0x15: HANDLE_SERVER_READ(HandleServerEntityRelativeMove()); break;
case 0x16: HANDLE_SERVER_READ(HandleServerEntityLook()); break;
case 0x17: HANDLE_SERVER_READ(HandleServerEntityRelativeMoveLook()); break;
case 0x18: HANDLE_SERVER_READ(HandleServerEntityTeleport()); break;
case 0x19: HANDLE_SERVER_READ(HandleServerEntityHeadLook()); break;
case 0x1a: HANDLE_SERVER_READ(HandleServerEntityStatus()); break;
case 0x1b: HANDLE_SERVER_READ(HandleServerAttachEntity()); break;
case 0x1c: HANDLE_SERVER_READ(HandleServerEntityMetadata()); break;
case 0x1f: HANDLE_SERVER_READ(HandleServerSetExperience()); break;
case 0x20: HANDLE_SERVER_READ(HandleServerEntityProperties()); break;
case 0x21: HANDLE_SERVER_READ(HandleServerMapChunk()); break;
case 0x22: HANDLE_SERVER_READ(HandleServerMultiBlockChange()); break;
case 0x23: HANDLE_SERVER_READ(HandleServerBlockChange()); break;
case 0x24: HANDLE_SERVER_READ(HandleServerBlockAction()); break;
case 0x26: HANDLE_SERVER_READ(HandleServerMapChunkBulk()); break;
case 0x27: HANDLE_SERVER_READ(HandleServerExplosion()); break;
case 0x28: HANDLE_SERVER_READ(HandleServerSoundEffect()); break;
case 0x29: HANDLE_SERVER_READ(HandleServerNamedSoundEffect()); break;
case 0x2b: HANDLE_SERVER_READ(HandleServerChangeGameState()); break;
case 0x2d: HANDLE_SERVER_READ(HandleServerWindowOpen()); break;
case 0x2e: HANDLE_SERVER_READ(HandleServerWindowClose()); break;
case 0x2f: HANDLE_SERVER_READ(HandleServerSetSlot()); break;
case 0x30: HANDLE_SERVER_READ(HandleServerWindowContents()); break;
case 0x33: HANDLE_SERVER_READ(HandleServerUpdateSign()); break;
case 0x35: HANDLE_SERVER_READ(HandleServerUpdateTileEntity()); break;
case 0x37: HANDLE_SERVER_READ(HandleServerStatistics()); break;
case 0x38: HANDLE_SERVER_READ(HandleServerPlayerListItem()); break;
case 0x39: HANDLE_SERVER_READ(HandleServerPlayerAbilities()); break;
case 0x3a: HANDLE_SERVER_READ(HandleServerTabCompletion()); break;
case 0x3f: HANDLE_SERVER_READ(HandleServerPluginMessage()); break;
case 0x40: HANDLE_SERVER_READ(HandleServerKick()); break;
default: HANDLE_SERVER_READ(HandleServerUnknownPacket(PacketType, PacketLen, PacketReadSoFar)); break;
} // switch (PacketType)
break;
} // case 3 - Game
// TODO: Move this elsewhere
default:
{
Log("Received a packet from the server while in an unknown state: %d", m_ServerProtocolState);
HANDLE_SERVER_READ(HandleServerUnknownPacket(PacketType, PacketLen, PacketReadSoFar));
break;
}
} // switch (m_ProtocolState)
m_ServerBuffer.CommitRead();
} // while (CanReadBytes(1))
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// packet handling, client-side, initial handshake:
bool cConnection::HandleClientHandshake(void)
{
// Read the packet from the client:
HANDLE_CLIENT_PACKET_READ(ReadVarInt, UInt32, ProtocolVersion);
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, ServerHost);
HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, ServerPort);
HANDLE_CLIENT_PACKET_READ(ReadVarInt, UInt32, NextState);
m_ClientBuffer.CommitRead();
Log("Received an initial handshake packet from the client:");
Log(" ProtocolVersion = %u", ProtocolVersion);
Log(" ServerHost = \"%s\"", ServerHost.c_str());
Log(" ServerPort = %d", ServerPort);
Log(" NextState = %u", NextState);
// Send the same packet to the server, but with our port:
cByteBuffer Packet(512);
Packet.WriteVarInt(0); // Packet type - initial handshake
Packet.WriteVarInt(ProtocolVersion);
Packet.WriteVarUTF8String(ServerHost);
Packet.WriteBEShort(m_Server.GetConnectPort());
Packet.WriteVarInt(NextState);
AString Pkt;
Packet.ReadAll(Pkt);
cByteBuffer ToServer(512);
ToServer.WriteVarUTF8String(Pkt);
SERVERSEND(ToServer);
m_ClientProtocolState = (int)NextState;
m_ServerProtocolState = (int)NextState;
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// packet handling, client-side, login:
bool cConnection::HandleClientLoginEncryptionKeyResponse(void)
{
Log("Client: Unexpected packet: encryption key response");
return true;
}
bool cConnection::HandleClientLoginStart(void)
{
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, UserName);
Log("Received a login start packet from the client:");
Log(" Username = \"%s\"", UserName.c_str());
COPY_TO_SERVER();
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// packet handling, client-side, game:
bool cConnection::HandleClientAnimation(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Animation);
Log("Received a PACKET_ANIMATION from the client:");
Log(" EntityID: %d", EntityID);
Log(" Animation: %d", Animation);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientBlockDig(void)
{
HANDLE_CLIENT_PACKET_READ(ReadByte, Byte, Status);
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, BlockX);
HANDLE_CLIENT_PACKET_READ(ReadByte, Byte, BlockY);
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, BlockZ);
HANDLE_CLIENT_PACKET_READ(ReadByte, Byte, BlockFace);
Log("Received a PACKET_BLOCK_DIG from the client:");
Log(" Status = %d", Status);
Log(" Pos = <%d, %d, %d>", BlockX, BlockY, BlockZ);
Log(" BlockFace = %d", BlockFace);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientBlockPlace(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, BlockX);
HANDLE_CLIENT_PACKET_READ(ReadByte, Byte, BlockY);
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, BlockZ);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Face);
AString Desc;
if (!ParseSlot(m_ClientBuffer, Desc))
{
return false;
}
HANDLE_CLIENT_PACKET_READ(ReadChar, char, CursorX);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, CursorY);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, CursorZ);
Log("Received a PACKET_BLOCK_PLACE from the client:");
Log(" Block = {%d, %d, %d}", BlockX, BlockY, BlockZ);
Log(" Face = %d", Face);
Log(" Item = %s", Desc.c_str());
Log(" Cursor = <%d, %d, %d>", CursorX, CursorY, CursorZ);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientChatMessage(void)
{
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Message);
Log("Received a PACKET_CHAT_MESSAGE from the client:");
Log(" Message = \"%s\"", Message.c_str());
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientClientStatuses(void)
{
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Statuses);
Log("Received a PACKET_CLIENT_STATUSES from the CLIENT:");
Log(" Statuses = %d", Statuses);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientCreativeInventoryAction(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, SlotNum);
AString Item;
if (!ParseSlot(m_ClientBuffer, Item))
{
return false;
}
Log("Received a PACKET_CREATIVE_INVENTORY_ACTION from the client:");
Log(" SlotNum = %d", SlotNum);
Log(" Item = %s", Item.c_str());
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientDisconnect(void)
{
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Reason);
Log("Received a PACKET_DISCONNECT from the client:");
Log(" Reason = \"%s\"", Reason.c_str());
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientEntityAction(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, PlayerID);
HANDLE_CLIENT_PACKET_READ(ReadByte, Byte, ActionType);
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, HorseJumpBoost);
Log("Received a PACKET_ENTITY_ACTION from the client:");
Log(" PlayerID = %d", PlayerID);
Log(" ActionType = %d", ActionType);
Log(" HorseJumpBoost = %d (0x%08x)", HorseJumpBoost, HorseJumpBoost);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientKeepAlive(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, ID);
Log("Received a PACKET_KEEPALIVE from the client");
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientLocaleAndView(void)
{
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Locale);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, ViewDistance);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, ChatFlags);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Unused);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Difficulty);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, ShowCape);
Log("Received a PACKET_LOCALE_AND_VIEW from the client");
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientPing(void)
{
m_HasClientPinged = true;
Log("Received a PACKET_PING from the client");
m_ClientBuffer.ResetRead();
SERVERSEND(m_ClientBuffer);
return true;
}
bool cConnection::HandleClientPlayerAbilities(void)
{
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Flags);
HANDLE_CLIENT_PACKET_READ(ReadBEFloat, float, FlyingSpeed);
HANDLE_CLIENT_PACKET_READ(ReadBEFloat, float, WalkingSpeed);
Log("Receives a PACKET_PLAYER_ABILITIES from the client:");
Log(" Flags = %d (0x%02x)", Flags, Flags);
Log(" FlyingSpeed = %f", FlyingSpeed);
Log(" WalkingSpeed = %f", WalkingSpeed);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientPlayerLook(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEFloat, float, Yaw);
HANDLE_CLIENT_PACKET_READ(ReadBEFloat, float, Pitch);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, OnGround);
Log("Received a PACKET_PLAYER_LOOK from the client");
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientPlayerOnGround(void)
{
HANDLE_CLIENT_PACKET_READ(ReadChar, char, OnGround);
Log("Received a PACKET_PLAYER_ON_GROUND from the client");
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientPlayerPosition(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, PosX);
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, PosY);
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, Stance);
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, PosZ);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, IsOnGround);
Log("Received a PACKET_PLAYER_POSITION from the client");
// TODO: list packet contents
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientPlayerPositionLook(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, PosX);
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, PosY);
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, Stance);
HANDLE_CLIENT_PACKET_READ(ReadBEDouble, double, PosZ);
HANDLE_CLIENT_PACKET_READ(ReadBEFloat, float, Yaw);
HANDLE_CLIENT_PACKET_READ(ReadBEFloat, float, Pitch);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, IsOnGround);
Log("Received a PACKET_PLAYER_POSITION_LOOK from the client");
Log(" Pos = {%.03f, %.03f, %.03f}", PosX, PosY, PosZ);
Log(" Stance = %.03f", Stance);
Log(" Yaw, Pitch = <%.03f, %.03f>", Yaw, Pitch);
Log(" IsOnGround = %s", IsOnGround ? "true" : "false");
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientPluginMessage(void)
{
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, ChannelName);
HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, Length);
AString Data;
if (!m_ClientBuffer.ReadString(Data, Length))
{
return false;
}
Log("Received a PACKET_PLUGIN_MESSAGE from the client");
Log(" ChannelName = \"%s\"", ChannelName.c_str());
DataLog(Data.data(), Length, " Data: %d bytes", Length);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientSlotSelect(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, SlotNum);
Log("Received a PACKET_SLOT_SELECT from the client");
Log(" SlotNum = %d", SlotNum);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientStatusPing(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEInt64, Int64, Time);
Log("Received the status ping packet from the client:");
Log(" Time = %lld", Time);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientStatusRequest(void)
{
Log("Received the status request packet from the client");
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientTabCompletion(void)
{
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Query);
Log("Received a PACKET_TAB_COMPLETION query from the client");
Log(" Query = \"%s\"", Query.c_str());
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientUpdateSign(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, BlockX);
HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, BlockY);
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, BlockZ);
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Line1);
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Line2);
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Line3);
HANDLE_CLIENT_PACKET_READ(ReadVarUTF8String, AString, Line4);
Log("Received a PACKET_UPDATE_SIGN from the client:");
Log(" Block = {%d, %d, %d}", BlockX, BlockY, BlockZ);
Log(" Lines = \"%s\", \"%s\", \"%s\", \"%s\"", Line1.c_str(), Line2.c_str(), Line3.c_str(), Line4.c_str());
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientUseEntity(void)
{
HANDLE_CLIENT_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, MouseButton);
Log("Received a PACKET_USE_ENTITY from the client:");
Log(" EntityID = %d", EntityID);
Log(" MouseButton = %d", MouseButton);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientWindowClick(void)
{
HANDLE_CLIENT_PACKET_READ(ReadChar, char, WindowID);
HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, SlotNum);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Button);
HANDLE_CLIENT_PACKET_READ(ReadBEShort, short, TransactionID);
HANDLE_CLIENT_PACKET_READ(ReadChar, char, Mode);
AString Item;
if (!ParseSlot(m_ClientBuffer, Item))
{
return false;
}
Log("Received a PACKET_WINDOW_CLICK from the client");
Log(" WindowID = %d", WindowID);
Log(" SlotNum = %d", SlotNum);
Log(" Button = %d, Mode = %d", Button, Mode);
Log(" TransactionID = 0x%x", TransactionID);
Log(" ClickedItem = %s", Item.c_str());
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientWindowClose(void)
{
HANDLE_CLIENT_PACKET_READ(ReadChar, char, WindowID);
Log("Received a PACKET_WINDOW_CLOSE from the client:");
Log(" WindowID = %d", WindowID);
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleClientUnknownPacket(UInt32 a_PacketType, UInt32 a_PacketLen, UInt32 a_PacketReadSoFar)
{
AString Data;
if (!m_ClientBuffer.ReadString(Data, a_PacketLen - a_PacketReadSoFar))
{
return false;
}
DataLog(Data.data(), Data.size(), "****************** Unknown packet 0x%x from the client; relaying and ignoring", a_PacketType);
COPY_TO_SERVER();
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// packet handling, server-side, login:
bool cConnection::HandleServerLoginDisconnect(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Reason);
Log("Received a login-disconnect packet from the server:");
Log(" Reason = \"%s\"", Reason.c_str());
COPY_TO_SERVER();
return true;
}
bool cConnection::HandleServerLoginEncryptionKeyRequest(void)
{
// Read the packet from the server:
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, ServerID);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, PublicKeyLength);
AString PublicKey;
if (!m_ServerBuffer.ReadString(PublicKey, PublicKeyLength))
{
return false;
}
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, NonceLength);
AString Nonce;
if (!m_ServerBuffer.ReadString(Nonce, NonceLength))
{
return false;
}
Log("Got PACKET_ENCRYPTION_KEY_REQUEST from the SERVER:");
Log(" ServerID = %s", ServerID.c_str());
// Reply to the server:
SendEncryptionKeyResponse(PublicKey, Nonce);
// Do not send to client - we want the client connection open
return true;
}
bool cConnection::HandleServerLoginSuccess(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, UUID);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Username);
Log("Received a login success packet from the server:");
Log(" UUID = \"%s\"", UUID.c_str());
Log(" Username = \"%s\"", Username.c_str());
Log("Server is now in protocol state Game.");
m_ServerProtocolState = 3;
if (m_IsServerEncrypted)
{
Log("Server communication is now encrypted");
m_ServerState = csEncryptedUnderstood;
DataLog(m_ServerEncryptionBuffer.data(), m_ServerEncryptionBuffer.size(), "Sending the queued data to server (%u bytes):", m_ServerEncryptionBuffer.size());
SERVERENCRYPTSEND(m_ServerEncryptionBuffer.data(), m_ServerEncryptionBuffer.size());
m_ServerEncryptionBuffer.clear();
}
COPY_TO_CLIENT();
Log("Client is now in protocol state Game.");
m_ClientProtocolState = 3;
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// packet handling, server-side, game:
bool cConnection::HandleServerAttachEntity(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, VehicleID);
HANDLE_SERVER_PACKET_READ(ReadBool, bool, Leash);
Log("Received a PACKET_ATTACH_ENTITY from the server:");
Log(" EntityID = %d (0x%x)", EntityID, EntityID);
Log(" VehicleID = %d (0x%x)", VehicleID, VehicleID);
Log(" Leash = %s", Leash ? "true" : "false");
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerBlockAction(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockX);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, BlockY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockZ);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Byte1);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Byte2);
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, BlockID);
Log("Received a PACKET_BLOCK_ACTION from the server:");
Log(" Pos = {%d, %d, %d}", BlockX, BlockY, BlockZ);
Log(" Bytes = (%d, %d) == (0x%x, 0x%x)", Byte1, Byte2, Byte1, Byte2);
Log(" BlockID = %u", BlockID);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerBlockChange(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockX);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, BlockY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockZ);
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, BlockType);
HANDLE_SERVER_PACKET_READ(ReadChar, char, BlockMeta);
Log("Received a PACKET_BLOCK_CHANGE from the server");
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerChangeGameState(void)
{
HANDLE_SERVER_PACKET_READ(ReadChar, char, Reason);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, Data);
Log("Received a PACKET_CHANGE_GAME_STATE from the server:");
Log(" Reason = %d", Reason);
Log(" Data = %f", Data);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerChatMessage(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Message);
Log("Received a PACKET_CHAT_MESSAGE from the server:");
Log(" Message = \"%s\"", Message.c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerCollectPickup(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, CollectedID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, CollectorID);
Log("Received a PACKET_COLLECT_PICKUP from the server:");
Log(" CollectedID = %d", CollectedID);
Log(" CollectorID = %d", CollectorID);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerCompass(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, SpawnX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, SpawnY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, SpawnZ);
Log("Received PACKET_COMPASS from the server:");
Log(" Spawn = {%d, %d, %d}", SpawnX, SpawnY, SpawnZ);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerDestroyEntities(void)
{
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, NumEntities);
if (!m_ServerBuffer.SkipRead((int)NumEntities * 4))
{
return false;
}
Log("Received PACKET_DESTROY_ENTITIES from the server:");
Log(" NumEntities = %d", NumEntities);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntity(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
Log("Received a PACKET_ENTITY from the server:");
Log(" EntityID = %d", EntityID);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityEquipment(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, SlotNum);
AString Item;
if (!ParseSlot(m_ServerBuffer, Item))
{
return false;
}
Log("Received a PACKET_ENTITY_EQUIPMENT from the server:");
Log(" EntityID = %d", EntityID);
Log(" SlotNum = %d", SlotNum);
Log(" Item = %s", Item.c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityHeadLook(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, HeadYaw);
Log("Received a PACKET_ENTITY_HEAD_LOOK from the server:");
Log(" EntityID = %d", EntityID);
Log(" HeadYaw = %d", HeadYaw);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityLook(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Yaw);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
Log("Received a PACKET_ENTITY_LOOK from the server:");
Log(" EntityID = %d", EntityID);
Log(" Yaw = %d", Yaw);
Log(" Pitch = %d", Pitch);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityMetadata(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
AString Metadata;
if (!ParseMetadata(m_ServerBuffer, Metadata))
{
return false;
}
AString HexDump;
CreateHexDump(HexDump, Metadata.data(), Metadata.size(), 32);
Log("Received a PACKET_ENTITY_METADATA from the server:");
Log(" EntityID = %d", EntityID);
Log(" Metadata, length = %d (0x%x):\n%s", Metadata.length(), Metadata.length(), HexDump.c_str());
LogMetadata(Metadata, 4);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityProperties(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, Count);
Log("Received a PACKET_ENTITY_PROPERTIES from the server:");
Log(" EntityID = %d", EntityID);
Log(" Count = %d", Count);
for (int i = 0; i < Count; i++)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Key);
HANDLE_SERVER_PACKET_READ(ReadBEDouble, double, Value);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, ListLength);
Log(" \"%s\" = %f; %d modifiers", Key.c_str(), Value, ListLength);
for (short j = 0; j < ListLength; j++)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt64, Int64, UUIDHi);
HANDLE_SERVER_PACKET_READ(ReadBEInt64, Int64, UUIDLo);
HANDLE_SERVER_PACKET_READ(ReadBEDouble, double, DblVal);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, ByteVal);
Log(" [%d] = {0x%08llx%08llx, %f, %u}", j, UUIDHi, UUIDLo, DblVal, ByteVal);
}
} // for i
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityRelativeMove(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, dx);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, dy);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, dz);
Log("Received a PACKET_ENTITY_RELATIVE_MOVE from the server:");
Log(" EntityID = %d", EntityID);
Log(" RelMove = %s", PrintableAbsIntTriplet(dx, dy, dz).c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityRelativeMoveLook(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, dx);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, dy);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, dz);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Yaw);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
Log("Received a PACKET_ENTITY_RELATIVE_MOVE_LOOK from the server:");
Log(" EntityID = %d", EntityID);
Log(" RelMove = %s", PrintableAbsIntTriplet(dx, dy, dz).c_str());
Log(" Yaw = %d", Yaw);
Log(" Pitch = %d", Pitch);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityStatus(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Status);
Log("Received a PACKET_ENTITY_STATUS from the server:");
Log(" EntityID = %d", EntityID);
Log(" Status = %d", Status);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityTeleport(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, AbsX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, AbsY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, AbsZ);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Yaw);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
Log("Received a PACKET_ENTITY_TELEPORT from the server:");
Log(" EntityID = %d", EntityID);
Log(" Pos = %s", PrintableAbsIntTriplet(AbsX, AbsY, AbsZ).c_str());
Log(" Yaw = %d", Yaw);
Log(" Pitch = %d", Pitch);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerEntityVelocity(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, VelocityX);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, VelocityY);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, VelocityZ);
Log("Received a PACKET_ENTITY_VELOCITY from the server:");
Log(" EntityID = %d", EntityID);
Log(" Velocity = %s", PrintableAbsIntTriplet(VelocityX, VelocityY, VelocityZ, 8000).c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerExplosion(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, PosZ);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, Force);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, NumRecords);
struct sCoords
{
int x, y, z;
sCoords(int a_X, int a_Y, int a_Z) : x(a_X), y(a_Y), z(a_Z) {}
} ;
std::vector<sCoords> Records;
Records.reserve(NumRecords);
int PosXI = (int)PosX, PosYI = (int)PosY, PosZI = (int)PosZ;
for (int i = 0; i < NumRecords; i++)
{
HANDLE_SERVER_PACKET_READ(ReadChar, char, rx);
HANDLE_SERVER_PACKET_READ(ReadChar, char, ry);
HANDLE_SERVER_PACKET_READ(ReadChar, char, rz);
Records.push_back(sCoords(PosXI + rx, PosYI + ry, PosZI + rz));
}
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, PlayerMotionX);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, PlayerMotionY);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, PlayerMotionZ);
Log("Received a PACKET_EXPLOSION from the server:");
Log(" Pos = {%.02f, %.02f, %.02f}", PosX, PosY, PosZ);
Log(" Force = %.02f", Force);
Log(" NumRecords = %d", NumRecords);
for (int i = 0; i < NumRecords; i++)
{
Log(" Records[%d] = {%d, %d, %d}", i, Records[i].x, Records[i].y, Records[i].z);
}
Log(" Player motion = <%.02f, %.02f, %.02f>", PlayerMotionX, PlayerMotionY, PlayerMotionZ);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerIncrementStatistic(void)
{
// 0xc8
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, StatisticID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, Amount);
Log("Received a PACKET_INCREMENT_STATISTIC from the server:");
Log(" StatisticID = %d (0x%x)", StatisticID, StatisticID);
Log(" Amount = %d", Amount);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerJoinGame(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadChar, char, GameMode);
HANDLE_SERVER_PACKET_READ(ReadChar, char, Dimension);
HANDLE_SERVER_PACKET_READ(ReadChar, char, Difficulty);
HANDLE_SERVER_PACKET_READ(ReadChar, char, MaxPlayers);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, LevelType);
Log("Received a PACKET_LOGIN from the server:");
Log(" EntityID = %d", EntityID);
Log(" GameMode = %d", GameMode);
Log(" Dimension = %d", Dimension);
Log(" Difficulty = %d", Difficulty);
Log(" MaxPlayers = %d", MaxPlayers);
Log(" LevelType = \"%s\"", LevelType.c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerKeepAlive(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PingID);
Log("Received a PACKET_KEEP_ALIVE from the server:");
Log(" ID = %d", PingID);
COPY_TO_CLIENT()
return true;
}
bool cConnection::HandleServerKick(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Reason);
Log("Received PACKET_KICK from the SERVER:");
if (m_HasClientPinged)
{
Log(" This was a std reply to client's PING");
AStringVector Split;
// Split by NULL chars (StringSplit() won't work here):
size_t Last = 0;
size_t Len = Reason.size();
for (size_t i = 0; i < Len; i++)
{
if (Reason[i] == 0)
{
Split.push_back(Reason.substr(Last, i - Last));
Last = i + 1;
}
}
if (Last < Len)
{
Split.push_back(Reason.substr(Last));
}
if (Split.size() == 6)
{
Log(" Preamble: \"%s\"", Split[0].c_str());
Log(" Protocol version: \"%s\"", Split[1].c_str());
Log(" Server version: \"%s\"", Split[2].c_str());
Log(" MOTD: \"%s\"", Split[3].c_str());
Log(" Cur players: \"%s\"", Split[4].c_str());
Log(" Max players: \"%s\"", Split[5].c_str());
// Modify the MOTD to show that it's being ProtoProxied:
Reason.assign(Split[0]);
Reason.push_back(0);
Reason.append(Split[1]);
Reason.push_back(0);
Reason.append(Split[2]);
Reason.push_back(0);
Reason.append(Printf("ProtoProxy: %s", Split[3].c_str()));
Reason.push_back(0);
Reason.append(Split[4]);
Reason.push_back(0);
Reason.append(Split[5]);
AString ReasonBE16;
UTF8ToRawBEUTF16(Reason.data(), Reason.size(), ReasonBE16);
AString PacketStart("\xff");
PacketStart.push_back((ReasonBE16.size() / 2) / 256);
PacketStart.push_back((ReasonBE16.size() / 2) % 256);
CLIENTSEND(PacketStart.data(), PacketStart.size());
CLIENTSEND(ReasonBE16.data(), ReasonBE16.size());
return true;
}
else
{
DataLog(Reason.data(), Reason.size(), " Unknown reply format, dumping hex:");
}
}
else
{
Log(" Reason = \"%s\"", Reason.c_str());
}
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerMapChunk(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, ChunkX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, ChunkZ);
HANDLE_SERVER_PACKET_READ(ReadChar, char, IsContiguous);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, PrimaryBitmap);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, AdditionalBitmap);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, CompressedSize);
AString CompressedData;
if (!m_ServerBuffer.ReadString(CompressedData, CompressedSize))
{
return false;
}
Log("Received a PACKET_MAP_CHUNK from the server:");
Log(" ChunkPos = [%d, %d]", ChunkX, ChunkZ);
Log(" Compressed size = %d (0x%x)", CompressedSize, CompressedSize);
// TODO: Save the compressed data into a file for later analysis
COPY_TO_CLIENT()
return true;
}
bool cConnection::HandleServerMapChunkBulk(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, ChunkCount);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, CompressedSize);
HANDLE_SERVER_PACKET_READ(ReadBool, bool, IsSkyLightSent);
AString CompressedData;
if (!m_ServerBuffer.ReadString(CompressedData, CompressedSize))
{
return false;
}
// Read individual chunk metas.
// Need to read them first and only then start logging (in case we don't have the full packet yet)
struct sChunkMeta
{
int m_ChunkX, m_ChunkZ;
short m_PrimaryBitmap;
short m_AddBitmap;
sChunkMeta(int a_ChunkX, int a_ChunkZ, short a_PrimaryBitmap, short a_AddBitmap) :
m_ChunkX(a_ChunkX), m_ChunkZ(a_ChunkZ), m_PrimaryBitmap(a_PrimaryBitmap), m_AddBitmap(a_AddBitmap)
{
}
} ;
typedef std::vector<sChunkMeta> sChunkMetas;
sChunkMetas ChunkMetas;
ChunkMetas.reserve(ChunkCount);
for (short i = 0; i < ChunkCount; i++)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, ChunkX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, ChunkZ);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, PrimaryBitmap);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, AddBitmap);
ChunkMetas.push_back(sChunkMeta(ChunkX, ChunkZ, PrimaryBitmap, AddBitmap));
}
Log("Received a PACKET_MAP_CHUNK_BULK from the server:");
Log(" ChunkCount = %d", ChunkCount);
Log(" Compressed size = %d (0x%x)", CompressedSize, CompressedSize);
Log(" IsSkyLightSent = %s", IsSkyLightSent ? "true" : "false");
// Log individual chunk coords:
int idx = 0;
for (sChunkMetas::iterator itr = ChunkMetas.begin(), end = ChunkMetas.end(); itr != end; ++itr, ++idx)
{
Log(" [%d]: [%d, %d], primary bitmap 0x%02x, add bitmap 0x%02x",
idx, itr->m_ChunkX, itr->m_ChunkZ, itr->m_PrimaryBitmap, itr->m_AddBitmap
);
} // for itr - ChunkMetas[]
// TODO: Save the compressed data into a file for later analysis
COPY_TO_CLIENT();
Sleep(50);
return true;
}
bool cConnection::HandleServerMultiBlockChange(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, ChunkX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, ChunkZ);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, NumBlocks);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, DataSize);
AString BlockChangeData;
if (!m_ServerBuffer.ReadString(BlockChangeData, DataSize))
{
return false;
}
Log("Received a PACKET_MULTI_BLOCK_CHANGE packet from the server:");
Log(" Chunk = [%d, %d]", ChunkX, ChunkZ);
Log(" NumBlocks = %d", NumBlocks);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerNamedSoundEffect(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, SoundName);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, Volume);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
Log("Received a PACKET_NAMED_SOUND_EFFECT from the server:");
Log(" SoundName = \"%s\"", SoundName.c_str());
Log(" Pos = %s", PrintableAbsIntTriplet(PosX, PosY, PosZ, 8).c_str());
Log(" Volume = %f", Volume);
Log(" Pitch = %d", Pitch);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerPlayerAbilities(void)
{
HANDLE_SERVER_PACKET_READ(ReadChar, char, Flags);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, FlyingSpeed);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, WalkingSpeed);
Log("Received a PACKET_PLAYER_ABILITIES from the server:");
Log(" Flags = %d (0x%02x)", Flags, Flags);
Log(" FlyingSpeed = %f", FlyingSpeed);
Log(" WalkingSpeed = %f", WalkingSpeed);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerPlayerAnimation(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, PlayerID);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, AnimationID);
Log("Received a PACKET_PLAYER_ANIMATION from the server:");
Log(" PlayerID: %u (0x%x)", PlayerID, PlayerID);
Log(" Animation: %d", AnimationID);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerPlayerListItem(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, PlayerName);
HANDLE_SERVER_PACKET_READ(ReadChar, char, IsOnline);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, Ping);
Log("Received a PACKET_PLAYERLIST_ITEM from the server:");
Log(" PlayerName = \"%s\"", PlayerName.c_str());
Log(" Ping = %d", Ping);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerPlayerPositionLook(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEDouble, double, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEDouble, double, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEDouble, double, PosZ);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, Yaw);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, Pitch);
HANDLE_SERVER_PACKET_READ(ReadChar, char, IsOnGround);
Log("Received a PACKET_PLAYER_POSITION_LOOK from the server");
// TODO: list packet contents
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerPluginMessage(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, ChannelName);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, Length);
AString Data;
if (!m_ServerBuffer.ReadString(Data, Length))
{
return false;
}
Log("Received a PACKET_PLUGIN_MESSAGE from the server");
Log(" ChannelName = \"%s\"", ChannelName.c_str());
DataLog(Data.data(), Length, " Data: %d bytes", Length);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerRespawn(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, Dimension);
HANDLE_SERVER_PACKET_READ(ReadChar, char, Difficulty);
HANDLE_SERVER_PACKET_READ(ReadChar, char, GameMode);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, LevelType);
Log("Received a respawn packet from the server:");
Log(" Dimension = %d", Dimension);
Log(" Difficulty = %d", Difficulty);
Log(" GameMode = %d", GameMode);
Log(" LevelType = \"%s\"", LevelType.c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSetExperience(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, ExperienceBar);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, Level);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, TotalExperience);
Log("Received a PACKET_SET_EXPERIENCE from the server:");
Log(" ExperienceBar = %.05f", ExperienceBar);
Log(" Level = %d", Level);
Log(" TotalExperience = %d", TotalExperience);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSetSlot(void)
{
HANDLE_SERVER_PACKET_READ(ReadChar, char, WindowID);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, SlotNum);
AString Item;
if (!ParseSlot(m_ServerBuffer, Item))
{
return false;
}
Log("Received a PACKET_SET_SLOT from the server:");
Log(" WindowID = %d", WindowID);
Log(" SlotNum = %d", SlotNum);
Log(" Item = %s", Item.c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSlotSelect(void)
{
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, SlotNum);
Log("Received a PACKET_SLOT_SELECT from the server:");
Log(" SlotNum = %d", SlotNum);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSoundEffect(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EffectID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, Data);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, NoVolumeDecrease);
Log("Received a PACKET_SOUND_EFFECT from the server:");
Log(" EffectID = %d", EffectID);
Log(" Pos = {%d, %d, %d}", PosX, PosY, PosZ);
Log(" Data = %d", Data);
Log(" NoVolumeDecrease = %d", NoVolumeDecrease);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSpawnExperienceOrbs(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, EntityID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, Count);
Log("Received a SPAWN_EXPERIENCE_ORBS packet from the server:");
Log(" EntityID = %u (0x%x)", EntityID, EntityID);
Log(" Pos = %s", PrintableAbsIntTriplet(PosX, PosY, PosZ).c_str());
Log(" Count = %d", Count);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSpawnMob(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, EntityID);
HANDLE_SERVER_PACKET_READ(ReadChar, char, MobType);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Yaw);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, HeadYaw);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, VelocityX);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, VelocityY);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, VelocityZ);
AString Metadata;
if (!ParseMetadata(m_ServerBuffer, Metadata))
{
return false;
}
AString HexDump;
CreateHexDump(HexDump, Metadata.data(), Metadata.size(), 32);
Log("Received a PACKET_SPAWN_MOB from the server:");
Log(" EntityID = %u (0x%x)", EntityID, EntityID);
Log(" MobType = %d", MobType);
Log(" Pos = %s", PrintableAbsIntTriplet(PosX, PosY, PosZ).c_str());
Log(" Angles = [%d, %d, %d]", Yaw, Pitch, HeadYaw);
Log(" Velocity = %s", PrintableAbsIntTriplet(VelocityX, VelocityY, VelocityZ, 8000).c_str());
Log(" Metadata, length = %d (0x%x):\n%s", Metadata.length(), Metadata.length(), HexDump.c_str());
LogMetadata(Metadata, 4);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSpawnNamedEntity(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, EntityID);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, EntityUUID);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, EntityName);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Yaw);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, CurrentItem);
AString Metadata;
if (!ParseMetadata(m_ServerBuffer, Metadata))
{
return false;
}
AString HexDump;
CreateHexDump(HexDump, Metadata.data(), Metadata.size(), 32);
Log("Received a PACKET_SPAWN_NAMED_ENTITY from the server:");
Log(" EntityID = %u (0x%x)", EntityID, EntityID);
Log(" UUID = \"%s\"", EntityUUID.c_str());
Log(" Name = \"%s\"", EntityName.c_str());
Log(" Pos = %s", PrintableAbsIntTriplet(PosX, PosY, PosZ).c_str());
Log(" Rotation = <yaw %d, pitch %d>", Yaw, Pitch);
Log(" CurrentItem = %d", CurrentItem);
Log(" Metadata, length = %d (0x%x):\n%s", Metadata.length(), Metadata.length(), HexDump.c_str());
LogMetadata(Metadata, 4);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSpawnObjectVehicle(void)
{
#ifdef _DEBUG
// DEBUG:
// This packet is still troublesome when DataIndicator != 0
AString Buffer;
m_ServerBuffer.ResetRead();
m_ServerBuffer.ReadAll(Buffer);
m_ServerBuffer.ResetRead();
UInt32 PacketLen, PacketType;
m_ServerBuffer.ReadVarInt(PacketLen);
m_ServerBuffer.ReadVarInt(PacketType);
if (Buffer.size() > 128)
{
// Only log up to 128 bytes
Buffer.erase(128, AString::npos);
}
DataLog(Buffer.data(), Buffer.size(), "Buffer while parsing the PACKET_SPAWN_OBJECT_VEHICLE packet (%d bytes):", Buffer.size());
#endif // _DEBUG
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, EntityID);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, ObjType);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Yaw);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, DataIndicator);
AString ExtraData;
short VelocityX, VelocityY, VelocityZ;
if (DataIndicator != 0)
{
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, SpeedX);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, SpeedY);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, SpeedZ);
VelocityX = SpeedX; VelocityY = SpeedY; VelocityZ = SpeedZ; // Speed vars are local to this scope, but we need them available later
/*
// This doesn't seem to work - for a falling block I'm getting no extra data at all
int ExtraLen = 0;
switch (ObjType)
{
case OBJECT_FALLING_BLOCK: ExtraLen = 4; break; // int: BlockType | (BlockMeta << 12)
case OBJECT_ARROW:
case OBJECT_SNOWBALL:
case OBJECT_EGG:
case OBJECT_EYE_OF_ENDER:
case OBJECT_DRAGON_EGG:
case OBJECT_FISHING_FLOAT:
{
ExtraLen = 4; break; // int: EntityID of the thrower
}
// TODO: Splash potions
}
if ((ExtraLen > 0) && !m_ServerBuffer.ReadString(ExtraData, ExtraLen))
{
return false;
}
*/
}
Log("Received a PACKET_SPAWN_OBJECT_VEHICLE from the server:");
Log(" EntityID = %u (0x%x)", EntityID, EntityID);
Log(" ObjType = %d (0x%x)", ObjType, ObjType);
Log(" Pos = %s", PrintableAbsIntTriplet(PosX, PosY, PosZ).c_str());
Log(" Rotation = <yaw %d, pitch %d>", Yaw, Pitch);
Log(" DataIndicator = %d (0x%x)", DataIndicator, DataIndicator);
if (DataIndicator != 0)
{
Log(" Velocity = %s", PrintableAbsIntTriplet(VelocityX, VelocityY, VelocityZ, 8000).c_str());
DataLog(ExtraData.data(), ExtraData.size(), " ExtraData size = %d:", ExtraData.size());
}
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSpawnPainting(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, EntityID);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, ImageName);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, Direction);
Log("Received a PACKET_SPAWN_PAINTING from the server:");
Log(" EntityID = %u", EntityID);
Log(" ImageName = \"%s\"", ImageName.c_str());
Log(" Pos = %s", PrintableAbsIntTriplet(PosX, PosY, PosZ).c_str());
Log(" Direction = %d", Direction);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerSpawnPickup(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
AString ItemDesc;
if (!ParseSlot(m_ServerBuffer, ItemDesc))
{
return false;
}
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosX);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, PosZ);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Rotation);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Pitch);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Roll);
Log("Received a PACKET_SPAWN_PICKUP from the server:");
Log(" EntityID = %d", EntityID);
Log(" Item = %s", ItemDesc.c_str());
Log(" Pos = %s", PrintableAbsIntTriplet(PosX, PosY, PosZ).c_str());
Log(" Angles = [%d, %d, %d]", Rotation, Pitch, Roll);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerStatistics(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, NumEntries);
for (UInt32 i = 0; i < NumEntries; i++)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, StatName);
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, StatValue);
}
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerStatusPing(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt64, Int64, Time);
Log("Received server's ping response:");
Log(" Time = %lld", Time);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerStatusResponse(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Response);
Log("Received server's status response:");
Log(" Response: %s", Response.c_str());
// Modify the response to show that it's being proto-proxied:
size_t idx = Response.find("\"description\":\"");
if (idx != AString::npos)
{
Response.assign(Response.substr(0, idx + 15) + "ProtoProxy: " + Response.substr(idx + 15));
}
cByteBuffer Packet(1000);
Packet.WriteVarInt(0); // Packet type - status response
Packet.WriteVarUTF8String(Response);
AString Pkt;
Packet.ReadAll(Pkt);
cByteBuffer ToClient(1000);
ToClient.WriteVarUTF8String(Pkt);
CLIENTSEND(ToClient);
return true;
}
bool cConnection::HandleServerTabCompletion(void)
{
HANDLE_SERVER_PACKET_READ(ReadVarInt, UInt32, NumResults);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Results);
Log("Received a PACKET_TAB_COMPLETION from the server, results given:");
// Parse the zero-terminated list of results:
size_t len = Results.size();
size_t last = 0;
for (size_t i = 0; i < len; i++)
{
if (Results[i] == 0)
{
Log(" \"%s\"", Results.substr(last, i - last).c_str());
last = i + 1;
}
}
if (last < len)
{
Log(" \"%s\"", Results.substr(last, len - last).c_str());
}
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerTimeUpdate(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt64, Int64, WorldAge);
HANDLE_SERVER_PACKET_READ(ReadBEInt64, Int64, TimeOfDay);
Log("Received a PACKET_TIME_UPDATE from the server");
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerUpdateHealth(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, Health);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, Food);
HANDLE_SERVER_PACKET_READ(ReadBEFloat, float, Saturation);
Log("Received a PACKET_UPDATE_HEALTH from the server");
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerUpdateSign(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockX);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, BlockY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockZ);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Line1);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Line2);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Line3);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Line4);
Log("Received a PACKET_UPDATE_SIGN from the server:");
Log(" Block = {%d, %d, %d}", BlockX, BlockY, BlockZ);
Log(" Lines = \"%s\", \"%s\", \"%s\", \"%s\"", Line1.c_str(), Line2.c_str(), Line3.c_str(), Line4.c_str());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerUpdateTileEntity(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockX);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, BlockY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BlockZ);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, Action);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, DataLength);
AString Data;
if ((DataLength > 0) && !m_ServerBuffer.ReadString(Data, DataLength))
{
return false;
}
Log("Received a PACKET_UPDATE_TILE_ENTITY from the server:");
Log(" Block = {%d, %d, %d}", BlockX, BlockY, BlockZ);
Log(" Action = %d", Action);
DataLog(Data.data(), Data.size(), " Data (%u bytes)", Data.size());
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerUseBed(void)
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, EntityID);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BedX);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, BedY);
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, BedZ);
Log("Received a use bed packet from the server:");
Log(" EntityID = %d", EntityID);
Log(" Bed = {%d, %d, %d}", BedX, BedY, BedZ);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerWindowClose(void)
{
HANDLE_SERVER_PACKET_READ(ReadChar, char, WindowID);
Log("Received a PACKET_WINDOW_CLOSE from the server:");
Log(" WindowID = %d", WindowID);
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerWindowContents(void)
{
HANDLE_SERVER_PACKET_READ(ReadChar, char, WindowID);
HANDLE_SERVER_PACKET_READ(ReadBEShort, short, NumSlots);
Log("Received a PACKET_WINDOW_CONTENTS from the server:");
Log(" WindowID = %d", WindowID);
Log(" NumSlots = %d", NumSlots);
AStringVector Items;
for (short i = 0; i < NumSlots; i++)
{
AString Item;
if (!ParseSlot(m_ServerBuffer, Item))
{
return false;
}
Log(" %d: %s", i, Item.c_str());
}
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerWindowOpen(void)
{
HANDLE_SERVER_PACKET_READ(ReadChar, char, WindowID);
HANDLE_SERVER_PACKET_READ(ReadChar, char, WindowType);
HANDLE_SERVER_PACKET_READ(ReadVarUTF8String, AString, Title);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, NumSlots);
HANDLE_SERVER_PACKET_READ(ReadByte, Byte, UseProvidedTitle);
int HorseEntityID = 0;
if (WindowType == 11) // Horse / Donkey / Mule
{
HANDLE_SERVER_PACKET_READ(ReadBEInt, int, intHorseInt);
HorseEntityID = intHorseInt;
}
Log("Received a PACKET_WINDOW_OPEN from the server:");
Log(" WindowID = %d", WindowID);
Log(" WindowType = %d", WindowType);
Log(" Title = \"%s\", Use = %d", Title.c_str(), UseProvidedTitle);
Log(" NumSlots = %d", NumSlots);
if (WindowType == 11)
{
Log(" HorseEntityID = %d (0x%08x)", HorseEntityID, HorseEntityID);
}
COPY_TO_CLIENT();
return true;
}
bool cConnection::HandleServerUnknownPacket(UInt32 a_PacketType, UInt32 a_PacketLen, UInt32 a_PacketReadSoFar)
{
AString Data;
ASSERT(a_PacketLen >= a_PacketReadSoFar);
if (!m_ServerBuffer.ReadString(Data, a_PacketLen - a_PacketReadSoFar))
{
return false;
}
DataLog(Data.data(), Data.size(), "****************** Unknown packet 0x%x from the server; relaying and ignoring", a_PacketType);
COPY_TO_CLIENT();
return true;
}
bool cConnection::ParseSlot(cByteBuffer & a_Buffer, AString & a_ItemDesc)
{
short ItemType;
if (!a_Buffer.ReadBEShort(ItemType))
{
return false;
}
if (ItemType <= 0)
{
a_ItemDesc = "<empty>";
return true;
}
if (!a_Buffer.CanReadBytes(5))
{
return false;
}
char ItemCount;
short ItemDamage;
short MetadataLength;
a_Buffer.ReadChar(ItemCount);
a_Buffer.ReadBEShort(ItemDamage);
a_Buffer.ReadBEShort(MetadataLength);
Printf(a_ItemDesc, "%d:%d * %d", ItemType, ItemDamage, ItemCount);
if (MetadataLength <= 0)
{
return true;
}
AString Metadata;
Metadata.resize(MetadataLength);
if (!a_Buffer.ReadBuf((void *)Metadata.data(), MetadataLength))
{
return false;
}
AString MetaHex;
CreateHexDump(MetaHex, Metadata.data(), Metadata.size(), 16);
AppendPrintf(a_ItemDesc, "; %d bytes of meta:\n%s", MetadataLength, MetaHex.c_str());
// Save metadata to a file:
AString fnam;
Printf(fnam, "%s_item_%08x.nbt", m_LogNameBase.c_str(), m_ItemIdx++);
FILE * f = fopen(fnam.c_str(), "wb");
if (f != NULL)
{
fwrite(Metadata.data(), 1, Metadata.size(), f);
fclose(f);
AppendPrintf(a_ItemDesc, "\n (saved to file \"%s\")", fnam.c_str());
}
return true;
}
bool cConnection::ParseMetadata(cByteBuffer & a_Buffer, AString & a_Metadata)
{
char x;
if (!a_Buffer.ReadChar(x))
{
return false;
}
a_Metadata.push_back(x);
while (x != 0x7f)
{
int Index = ((unsigned)((unsigned char)x)) & 0x1f; // Lower 5 bits = index
int Type = ((unsigned)((unsigned char)x)) >> 5; // Upper 3 bits = type
int Length = 0;
switch (Type)
{
case 0: Length = 1; break; // byte
case 1: Length = 2; break; // short
case 2: Length = 4; break; // int
case 3: Length = 4; break; // float
case 4: // UTF-8 string with VarInt length
{
UInt32 Len;
int rs = a_Buffer.GetReadableSpace();
if (!a_Buffer.ReadVarInt(Len))
{
return false;
}
rs = rs - a_Buffer.GetReadableSpace();
cByteBuffer LenBuf(8);
LenBuf.WriteVarInt(Len);
AString VarLen;
LenBuf.ReadAll(VarLen);
a_Metadata.append(VarLen);
Length = Len;
break;
}
case 5:
{
int Before = a_Buffer.GetReadableSpace();
AString ItemDesc;
if (!ParseSlot(a_Buffer, ItemDesc))
{
return false;
}
int After = a_Buffer.GetReadableSpace();
a_Buffer.ResetRead();
a_Buffer.SkipRead(a_Buffer.GetReadableSpace() - Before);
Length = Before - After;
break;
}
case 6: Length = 12; break; // 3 * int
case 7:
default:
{
ASSERT(!"Unknown metadata type");
break;
}
} // switch (Type)
AString data;
if (!a_Buffer.ReadString(data, Length))
{
return false;
}
a_Metadata.append(data);
if (!a_Buffer.ReadChar(x))
{
return false;
}
a_Metadata.push_back(x);
} // while (x != 0x7f)
return true;
}
void cConnection::LogMetadata(const AString & a_Metadata, size_t a_IndentCount)
{
AString Indent(a_IndentCount, ' ');
int pos = 0;
while (a_Metadata[pos] != 0x7f)
{
int Index = ((unsigned)((unsigned char)a_Metadata[pos])) & 0x1f; // Lower 5 bits = index
int Type = ((unsigned)((unsigned char)a_Metadata[pos])) >> 5; // Upper 3 bits = type
int Length = 0;
switch (Type)
{
case 0:
{
Log("%sbyte[%d] = %d", Indent.c_str(), Index, a_Metadata[pos + 1]);
pos += 1;
break;
}
case 1:
{
Log("%sshort[%d] = %d", Indent.c_str(), Index, (a_Metadata[pos + 1] << 8) | a_Metadata[pos + 2]);
pos += 2;
break;
}
case 2:
{
Log("%sint[%d] = %d", Indent.c_str(), Index, (a_Metadata[pos + 1] << 24) | (a_Metadata[pos + 2] << 16) | (a_Metadata[pos + 3] << 8) | a_Metadata[pos + 4]);
pos += 4;
break;
}
case 3:
{
Log("%sfloat[%d] = 0x%x", Indent.c_str(), Index, (a_Metadata[pos + 1] << 24) | (a_Metadata[pos + 2] << 16) | (a_Metadata[pos + 3] << 8) | a_Metadata[pos + 4]);
pos += 4;
break;
}
case 4: // UTF-8 string with VarInt length
{
cByteBuffer bb(10);
int RestLen = (int)a_Metadata.size() - pos - 1;
if (RestLen > 8)
{
RestLen = 8;
}
bb.Write(a_Metadata.data() + pos + 1, RestLen);
UInt32 Length;
int rs = bb.GetReadableSpace();
bb.ReadVarInt(Length);
rs = rs - bb.GetReadableSpace();
Log("%sstring[%d] = \"%*s\"", Indent.c_str(), Index, Length, a_Metadata.c_str() + pos + rs + 1);
pos += Length + rs + 2;
break;
}
case 5:
{
int BytesLeft = a_Metadata.size() - pos - 1;
cByteBuffer bb(BytesLeft);
bb.Write(a_Metadata.data() + pos + 1, BytesLeft);
AString ItemDesc;
if (!ParseSlot(bb, ItemDesc))
{
ASSERT(!"Cannot parse item description from metadata");
return;
}
int After = bb.GetReadableSpace();
int BytesConsumed = BytesLeft - bb.GetReadableSpace();
Log("%sslot[%d] = %s (%d bytes)", Indent.c_str(), Index, ItemDesc.c_str(), BytesConsumed);
pos += BytesConsumed;
break;
}
case 6:
{
Log("%spos[%d] = <%d, %d, %d>", Indent.c_str(), Index,
(a_Metadata[pos + 1] << 24) | (a_Metadata[pos + 2] << 16) | (a_Metadata[pos + 3] << 8) | a_Metadata[pos + 4],
(a_Metadata[pos + 5] << 24) | (a_Metadata[pos + 6] << 16) | (a_Metadata[pos + 7] << 8) | a_Metadata[pos + 8],
(a_Metadata[pos + 9] << 24) | (a_Metadata[pos + 10] << 16) | (a_Metadata[pos + 11] << 8) | a_Metadata[pos + 12]
);
pos += 12;
break;
}
default:
{
ASSERT(!"Unknown metadata type");
break;
}
} // switch (Type)
pos += 1;
} // while (x != 0x7f)
}
void cConnection::SendEncryptionKeyResponse(const AString & a_ServerPublicKey, const AString & a_Nonce)
{
// Generate the shared secret and encrypt using the server's public key
byte SharedSecret[16];
byte EncryptedSecret[128];
memset(SharedSecret, 0, sizeof(SharedSecret)); // Use all zeroes for the initial secret
RSA::PublicKey pk;
CryptoPP::StringSource src(a_ServerPublicKey, true);
ByteQueue bq;
src.TransferTo(bq);
bq.MessageEnd();
pk.Load(bq);
RSAES<PKCS1v15>::Encryptor rsaEncryptor(pk);
RandomPool rng;
time_t CurTime = time(NULL);
rng.Put((const byte *)&CurTime, sizeof(CurTime));
int EncryptedLength = rsaEncryptor.FixedCiphertextLength();
ASSERT(EncryptedLength <= sizeof(EncryptedSecret));
rsaEncryptor.Encrypt(rng, SharedSecret, sizeof(SharedSecret), EncryptedSecret);
m_ServerEncryptor.SetKey(SharedSecret, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(SharedSecret, 16))(Name::FeedbackSize(), 1));
m_ServerDecryptor.SetKey(SharedSecret, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(SharedSecret, 16))(Name::FeedbackSize(), 1));
// Encrypt the nonce:
byte EncryptedNonce[128];
rsaEncryptor.Encrypt(rng, (const byte *)(a_Nonce.data()), a_Nonce.size(), EncryptedNonce);
// Send the packet to the server:
Log("Sending PACKET_ENCRYPTION_KEY_RESPONSE to the SERVER");
cByteBuffer ToServer(1024);
ToServer.WriteByte(0x01); // To server: Encryption key response
ToServer.WriteBEShort(EncryptedLength);
ToServer.WriteBuf(EncryptedSecret, EncryptedLength);
ToServer.WriteBEShort(EncryptedLength);
ToServer.WriteBuf(EncryptedNonce, EncryptedLength);
SERVERSEND(ToServer);
m_ServerState = csEncryptedUnderstood;
m_IsServerEncrypted = true;
}
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